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Unformatted text preview: ? 20% 0.20 New # = Orig. # x (1 ± % Change) = 900 x (1  0.20) = 900 x 0.80 Change is 20% decrease of 900 $2,025 is what percent more than $2,000? 25% 25% 25% 25% A. 1.25% B. 98.77% C. 12.35% D. 101.25% $2,025 is what percent more than $2,000? Orig. # = New # = % Change = 2,000 2,025 ? Amount before the change is $2,000 Amount of Change = Number Original Change of Amount Change Percent = 2,000 25 = 0.0125 = 1.25% = 2,025 − 2,000 = 25 The number 605 is 37½% more than what number? 25% 25% 25% 25% A. 832 B. 227 C. 1,613 D. 440 440 = The number 605 is 37½% more than what number? Orig. # = New # = % Change = = ? 605 + 37.5% + 0.375 Change is 37.5% increase of ? New # = Orig. # x (1 ± % Change) Change) % (1 # New # Orig. ± = 0.375 1 605 + = 1.375 605 = HOMEWORK: Text Sect. 3.4: A) 1, 3, 5 C) 3, 5 D) 1, 3 LAB 5 # 3  7...
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 Spring '10
 Jenny
 Math, Highly composite number, 175

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